package day05;

import javax.naming.InsufficientResourcesException;
import java.util.Arrays;
public class ArrayDemo {
    public static void main(String[] args) {

        int[]arr =new int[10];
        //数组的排序：
        for (int i = 0;i<arr.length;i++) {
            arr[i] = (int) (Math.random() * 100);
            System.out.println(arr[i]);
        }

            Arrays.sort(arr);//对arr数组做升序排列

        System.out.println("排序后：");
        for (int i=0;i<arr.length;i++){
            System.out.println(arr[i]);
        }

        System.out.println("倒着输出：");
            for (int i=arr.length-1;i>=0;i--){
                System.out.println(arr[i]);
            }
        System.out.println("第一个元素为："+arr[0]);
        int[]ac=new int[10];
        for (int o=0;o<arr.length;o++){
            ac[o] = (int) (Math.random()*100);
        }
    }
}
